VU is defined as the abbreviation for volume unit.(abbreviation)
An example of VU is what a sound engineer uses to determine the power output of music being recorded.
Vu is the internet domain country code for Vanuatu.(noun)
An example of vu is the last two letters of the Internet address for the country of Vanuatu.
See VU in Webster's New World College Dictionary
See VU in American Heritage Dictionary 4